document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1182689>Question 1182689</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a study of speed​ dating, male subjects were asked to rate the attractiveness of their female​ dates, and a sample of the results is listed below ​(1 = not ​attractive; 10 = extremely ​attractive). Construct a confidence interval using a 95​% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult​ females?\r<BR>\n" );
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document.write( "6​, 7​, 1​, 10​, 4​, 6​, 7​, 8​, 7​, 9​, 5​, 9\r<BR>\n" );
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document.write( "What is the confidence interval for the population mean μ​?\r<BR>\n" );
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document.write( "__ < μ < __ ​(Round to one decimal place as​ needed.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #812818 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=812818\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean is 6.58<BR>\n" );
document.write( "s is 2.47<BR>\n" );
document.write( "half-interval is t(0.975,df=11)*s/sqrt(n)=2.201*2.47/sqrt(12)=1.57<BR>\n" );
document.write( "the 95% CI is (5.01, 8.15) or (5.0, 8.2) </SPAN>\n" );
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